/**
 * Created by Phoes on 2016/5/29.
 */
var mime = {

    //查找文件后缀类型
    lookupExtension : function(ext, fallback) {
        return mime.TYPES[ext.toLowerCase()] || fallback || 'text/plain';
    },
    //查找mime类型
    lookupMime : function(mimeName, fallback) {
        return mime.TYPES[mimeName.toLowerCase()] || fallback || 'text/plain';
    },

    //文件类型
    TYPES : { ".3gp"   : "video/3gpp"
        , ".a"     : "application/octet-stream"
        , ".ai"    : "application/postscript"
        , ".aif"   : "audio/x-aiff"
        , ".aiff"  : "audio/x-aiff"
        , ".asc"   : "application/pgp-signature"
        , ".asf"   : "video/x-ms-asf"
        , ".asm"   : "text/x-asm"
        , ".asx"   : "video/x-ms-asf"
        , ".atom"  : "application/atom+xml"
        , ".au"    : "audio/basic"
        , ".avi"   : "video/x-msvideo"
        , ".bat"   : "application/x-msdownload"
        , ".bin"   : "application/octet-stream"
        , ".bmp"   : "image/bmp"
        , ".bz2"   : "application/x-bzip2"
        , ".c"     : "text/x-c"
        , ".cab"   : "application/vnd.ms-cab-compressed"
        , ".cc"    : "text/x-c"
        , ".chm"   : "application/vnd.ms-htmlhelp"
        , ".class"   : "application/octet-stream"
        , ".com"   : "application/x-msdownload"
        , ".conf"  : "text/plain"
        , ".cpp"   : "text/x-c"
        , ".crt"   : "application/x-x509-ca-cert"
        , ".css"   : "text/css"
        , ".csv"   : "text/csv"
        , ".cxx"   : "text/x-c"
        , ".deb"   : "application/x-debian-package"
        , ".der"   : "application/x-x509-ca-cert"
        , ".diff"  : "text/x-diff"
        , ".djv"   : "image/vnd.djvu"
        , ".djvu"  : "image/vnd.djvu"
        , ".dll"   : "application/x-msdownload"
        , ".dmg"   : "application/octet-stream"
        , ".doc"   : "application/msword"
        , ".dot"   : "application/msword"
        , ".dtd"   : "application/xml-dtd"
        , ".dvi"   : "application/x-dvi"
        , ".ear"   : "application/java-archive"
        , ".eml"   : "message/rfc822"
        , ".eps"   : "application/postscript"
        , ".exe"   : "application/x-msdownload"
        , ".f"     : "text/x-fortran"
        , ".f77"   : "text/x-fortran"
        , ".f90"   : "text/x-fortran"
        , ".flv"   : "video/x-flv"
        , ".for"   : "text/x-fortran"
        , ".gem"   : "application/octet-stream"
        , ".gemspec" : "text/x-script.ruby"
        , ".gif"   : "image/gif"
        , ".gz"    : "application/x-gzip"
        , ".h"     : "text/x-c"
        , ".hh"    : "text/x-c"
        , ".htm"   : "text/html"
        , ".html"  : "text/html"
        , ".ico"   : "image/vnd.microsoft.icon"
        , ".ics"   : "text/calendar"
        , ".ifb"   : "text/calendar"
        , ".iso"   : "application/octet-stream"
        , ".jar"   : "application/java-archive"
        , ".java"  : "text/x-java-source"
        , ".jnlp"  : "application/x-java-jnlp-file"
        , ".jpeg"  : "image/jpeg"
        , ".jpg"   : "image/jpeg"
        , ".js"    : "application/javascript;charset=utf-8"
        , ".json"  : "application/json"
        , ".log"   : "text/plain;charset=utf-8"
        , ".m3u"   : "audio/x-mpegurl"
        , ".m4v"   : "video/mp4"
        , ".man"   : "text/troff"
        , ".mathml"  : "application/mathml+xml"
        , ".mbox"  : "application/mbox"
        , ".mdoc"  : "text/troff"
        , ".me"    : "text/troff"
        , ".mid"   : "audio/midi"
        , ".midi"  : "audio/midi"
        , ".mime"  : "message/rfc822"
        , ".mml"   : "application/mathml+xml"
        , ".mng"   : "video/x-mng"
        , ".mov"   : "video/quicktime"
        , ".mp3"   : "audio/mpeg"
        , ".mp4"   : "video/mp4"
        , ".mp4v"  : "video/mp4"
        , ".mpeg"  : "video/mpeg"
        , ".mpg"   : "video/mpeg"
        , ".ms"    : "text/troff"
        , ".msi"   : "application/x-msdownload"
        , ".odp"   : "application/vnd.oasis.opendocument.presentation"
        , ".ods"   : "application/vnd.oasis.opendocument.spreadsheet"
        , ".odt"   : "application/vnd.oasis.opendocument.text"
        , ".ogg"   : "application/ogg"
        , ".p"     : "text/x-pascal"
        , ".pas"   : "text/x-pascal"
        , ".pbm"   : "image/x-portable-bitmap"
        , ".pdf"   : "application/pdf"
        , ".pem"   : "application/x-x509-ca-cert"
        , ".pgm"   : "image/x-portable-graymap"
        , ".pgp"   : "application/pgp-encrypted"
        , ".pkg"   : "application/octet-stream"
        , ".pl"    : "text/x-script.perl"
        , ".pm"    : "text/x-script.perl-module"
        , ".png"   : "image/png"
        , ".pnm"   : "image/x-portable-anymap"
        , ".ppm"   : "image/x-portable-pixmap"
        , ".pps"   : "application/vnd.ms-powerpoint"
        , ".ppt"   : "application/vnd.ms-powerpoint"
        , ".ps"    : "application/postscript"
        , ".psd"   : "image/vnd.adobe.photoshop"
        , ".py"    : "text/x-script.python"
        , ".qt"    : "video/quicktime"
        , ".ra"    : "audio/x-pn-realaudio"
        , ".rake"  : "text/x-script.ruby"
        , ".ram"   : "audio/x-pn-realaudio"
        , ".rar"   : "application/x-rar-compressed"
        , ".rb"    : "text/x-script.ruby"
        , ".rdf"   : "application/rdf+xml"
        , ".roff"  : "text/troff"
        , ".rpm"   : "application/x-redhat-package-manager"
        , ".rss"   : "application/rss+xml"
        , ".rtf"   : "application/rtf"
        , ".ru"    : "text/x-script.ruby"
        , ".s"     : "text/x-asm"
        , ".sgm"   : "text/sgml"
        , ".sgml"  : "text/sgml"
        , ".sh"    : "application/x-sh"
        , ".sig"   : "application/pgp-signature"
        , ".snd"   : "audio/basic"
        , ".so"    : "application/octet-stream"
        , ".svg"   : "image/svg+xml"
        , ".svgz"  : "image/svg+xml"
        , ".swf"   : "application/x-shockwave-flash"
        , ".t"     : "text/troff"
        , ".tar"   : "application/x-tar"
        , ".tbz"   : "application/x-bzip-compressed-tar"
        , ".tcl"   : "application/x-tcl"
        , ".tex"   : "application/x-tex"
        , ".texi"  : "application/x-texinfo"
        , ".texinfo" : "application/x-texinfo"
        , ".text"  : "text/plain"
        , ".tif"   : "image/tiff"
        , ".tiff"  : "image/tiff"
        , ".torrent" : "application/x-bittorrent"
        , ".tr"    : "text/troff"
        , ".txt"   : "text/plain"
        , ".vcf"   : "text/x-vcard"
        , ".vcs"   : "text/x-vcalendar"
        , ".vrml"  : "model/vrml"
        , ".war"   : "application/java-archive"
        , ".wav"   : "audio/x-wav"
        , ".wma"   : "audio/x-ms-wma"
        , ".wmv"   : "video/x-ms-wmv"
        , ".wmx"   : "video/x-ms-wmx"
        , ".wrl"   : "model/vrml"
        , ".wsdl"  : "application/wsdl+xml"
        , ".xbm"   : "image/x-xbitmap"
        , ".xhtml"   : "application/xhtml+xml"
        , ".xls"   : "application/vnd.ms-excel"
        , ".xml"   : "application/xml"
        , ".xpm"   : "image/x-xpixmap"
        , ".xsl"   : "application/xml"
        , ".xslt"  : "application/xslt+xml"
        , ".yaml"  : "text/yaml"
        , ".yml"   : "text/yaml"
        , ".zip"   : "application/zip"
    }
};

exports.mime = mime;